2023721112 has 128 divisors (see below), whose sum is σ = 5939619840. Its totient is φ = 562598400.

The previous prime is 2023721107. The next prime is 2023721149. The reversal of 2023721112 is 2111273202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1554862 + ... + 1556162.

It is an arithmetic number, because the mean of its divisors is an integer number (46403280).

Almost surely, 2^2023721112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2023721112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2969809920).

2023721112 is an abundant number, since it is smaller than the sum of its proper divisors (3915898728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023721112 is a wasteful number, since it uses less digits than its factorization.

2023721112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2023721112 is about 44985.7878890656. The cubic root of 2023721112 is about 1264.8826070714.

Adding to 2023721112 its reverse (2111273202), we get a palindrome (4134994314).

The spelling of 2023721112 in words is "two billion, twenty-three million, seven hundred twenty-one thousand, one hundred twelve".